Dry powder inhaler



FIG. 1 is a front top side view of a dry powder inhaler showing our design, this embodiment disclaims all of the open views (the top and bottom surface patterns are shown in broken line and are also disclaimed);

FIG. 2 is a front perspective view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a rear end view thereof;

FIG. 5 is a front end view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a side view thereof; and,

FIG. 8 is an opposing side view thereof.

The broken lines in the drawings illustrate portions of the dry powder inhaler which form no part of the claimed design. 

CLAIM The ornamental design for a dry powder inhaler, as shown and described. 